PubMed:32936465 / 599-827 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T7","span":{"begin":127,"end":132},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"},{"id":"T8","span":{"begin":214,"end":220},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_33208"}],"text":"At present, there are many obstacles and challenges to vaccine research and development, including the lack of knowledge about virus transmission, pathogenesis, and immune response, absence of the most appropriate animal models."}

    LitCovid-PD-GO-BP

    {"project":"LitCovid-PD-GO-BP","denotations":[{"id":"T1","span":{"begin":147,"end":159},"obj":"http://purl.obolibrary.org/obo/GO_0009405"},{"id":"T2","span":{"begin":165,"end":180},"obj":"http://purl.obolibrary.org/obo/GO_0006955"}],"text":"At present, there are many obstacles and challenges to vaccine research and development, including the lack of knowledge about virus transmission, pathogenesis, and immune response, absence of the most appropriate animal models."}

    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T6","span":{"begin":0,"end":228},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"At present, there are many obstacles and challenges to vaccine research and development, including the lack of knowledge about virus transmission, pathogenesis, and immune response, absence of the most appropriate animal models."}